import re

name = input()

u_h = ["_","-"]

if len(name) >= 1 and len(name) <= 32:
    if re.fullmatch(r'[a-zA-Z0-9_-]+', name):
        if not (name[0] in u_h) and not (name[-1] in u_h):
            print(200)
        else:
            print(400)
    else:
        print(400)
else:
    print(400)